<template>
  <div class="search">
    <div class="search-box-wrapper">
      <search-box ref="searchBox" @query="handleQuery" ></search-box>
    </div>
    <div class="shortcut-wrapper" v-show="!query" ref="shortcutWrapper">
      <scroll :data="shortcutData" ref="refScroll" class="shortcut">
        <div>
          <div>
            <div class="hot-key">
              <h1 class="title">热门搜索</h1>
              <ul>
                <li class="item" v-for="(item, index) in hotKeys" :key="index" @click="selectItem(item)">
                  <span>{{item.k}}</span>
                </li>
              </ul>
            </div>
          </div>
          <div class="search-history" v-show="searchHistory.length">
            <h1 class="title">
              <span class="text">搜索历史</span>
              <span class="clear" @click.stop="clearHistory">
                <i class="icon-clear"></i>
              </span>
            </h1>
            <search-list @selectItem="selectHistoryItem" :searchs="searchHistory" @deleteOne="deleteSearchHistory" ></search-list>
          </div>
        </div>
      </scroll>
    </div>
    <div class="search-result" v-show="query" ref="searchResult">
      <suggest @select="addQuery" @beforeScrollStart="handleBeforScroll" :query="query" ref="suggest"></suggest>
    </div>
    <confirm ref="confirm" text="清空搜索历史记录" confirmBtnText="清空"  @cancel="confirmCancel" @confirm="confirmConfirm"></confirm>
    <router-view></router-view>
  </div>
</template>

<script type="text/ecmascript-6">
  import SearchBox from 'base/search-box/search-box'
  import {getHotKey} from 'api/search'
  import {ERR_OK} from 'api/config'
  import Suggest from 'components/suggest/suggest'
  import searchList from 'base/search-list/search-list'
  import Confirm from 'base/confirm/confirm'
  import Scroll from 'base/scroll/scroll'
  import { playlistMixin, searchMixin } from 'common/js/mixin'

  export default {
    name: 'search',
    mixins: [ playlistMixin, searchMixin ],
    data() {
      return {
        hotKeys: []
      }
    },
    components: {
      SearchBox,
      Suggest,
      searchList,
      Confirm,
      Scroll
    },
    methods: {
      handlePlaylist() {
        let bottom = this.playlist.length > 0 ? '60px' : ''
        this.$refs.shortcutWrapper.style.bottom = bottom
        this.$refs.searchResult.style.bottom = bottom
        this.$refs.refScroll.refresh()
        this.$refs.suggest.refresh()
      },
      selectHistoryItem(query) {
        this.query = query
        this.$refs.searchBox.setQuery(query)
      },
      confirmConfirm() {
        this.clearSearchHistory()
        this.$refs.confirm.hide()
      },
      confirmCancel() {
        this.$refs.confirm.hide()
      },
      selectItem(item) {
        this.$refs.searchBox.setQuery(item.k)
      }
    },
    computed: {
      shortcutData() {
        return this.hotKeys.concat(this.searchHistory)
      }
    },
    created() {
      getHotKey().then((resp) => {
        if (resp.code === ERR_OK) {
          this.hotKeys = resp.data.hotkey.slice(0, 10)
        }
      })
    },
    watch: {
      query(newVal) {
        if (!newVal) {
          setTimeout(() => {
            this.$refs.refScroll.refresh()
          }, 300)
        }
      }
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus" scoped>
  @import '~common/stylus/variable'
  .search
    .search-box-wrapper
      margin: 20px
    .shortcut-wrapper
      position: fixed
      top: 178px
      bottom: 0
      width: 100%
      .shortcut
        height: 100%
        overflow: hidden
        .hot-key
          margin: 0 20px 20px 20px
          .title
            margin-bottom: 20px
            font-size: $font-size-medium
            color: $color-text-l
          .item
            display: inline-block
            padding: 5px 10px
            margin: 0 20px 10px 0
            border-radius: 6px
            background: $color-highlight-background
            font-size: $font-size-medium
            color: $color-text-d
        .search-history
          position: relative
          margin: 0 20px
          .title
            display: flex
            align-items: center
            height: 40px
            font-size: $font-size-medium
            color: $color-text-l
            .text
              flex: 1
            .clear
              extend-click()
              .icon-clear
                font-size: $font-size-medium
                color: $color-text-d
    .search-result
      position: fixed
      top: 178px
      bottom: 0
      width: 100%

</style>
